package com.hqyj.service;

import com.hqyj.pojo.Department;

import java.util.HashMap;


public interface DepartmentService {
    //查询
    HashMap<String,Object> select(Department a);
    //新增
    HashMap<String,Object> add(Department a);
    //修改
    HashMap<String,Object> update(Department a);
    //删除
    HashMap<String,Object> del(Integer a);

}
